/*
 * Copyright (C) 2009-2012 Geometer Plus <contact@geometerplus.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

package org.geometerplus.fbreader.bookmodel;

import org.geometerplus.zlibrary.core.tree.ZLTree;
import org.geometerplus.zlibrary.text.model.ZLTextModel;

import java.io.Serializable;

public class TOCTree extends ZLTree<TOCTree> {
	/**
	 * 
	 */
	private String myText;
	private Reference myReference;
 
	protected TOCTree() {
		super();
	}

	public TOCTree(TOCTree parent) {
		super(parent);
	}

	public final String getText() {
		return myText;
	}

	public final void setText(String text) {
		if (text != null) {
			myText = text.trim().replaceAll("[\t ]+", " ");
		} else {
			myText = null;
		}
	}
	
	public Reference getReference() {
		return myReference;
	}
	//返回一个空Model的Reference;
	public Reference getDumpReference()
	{
		if(getReference() != null)
		{
			return new Reference(getReference().ParagraphIndex, null);
		}
		return null;
	}
	
	public void setReference(ZLTextModel model, int reference) {
		myReference = new Reference(reference, model);
	}

	@Override
	public boolean equals(Object o) {
		if(o == this)
		{
			return true;
		}
		if(o != null && o instanceof TOCTree)
		{
			return myReference != null && myReference.equals(((TOCTree) o).getReference());
		}
		return super.equals(o);
	}
	public static class Reference implements Serializable {
		/**
		 * 
		 */
		private static final long serialVersionUID = 5392182113386120078L;
		public final int ParagraphIndex;
		public final ZLTextModel Model;
		
		public Reference(final int paragraphIndex, final ZLTextModel model) {
			ParagraphIndex = paragraphIndex;
			Model = model;
		}
		
		@Override
		public boolean equals(Object o) {
			if(o == this)
			{
				return true;
			}
			if(o != null && o instanceof Reference)
			{
				Reference r = (Reference)o;
				return r.ParagraphIndex == ParagraphIndex;	
			}
			return super.equals(o);
			
		}
		public TOCTree getDumpTOCTree()
		{
			TOCTree t = new TOCTree();
			t.myReference = Reference.this;
			return t;
		}
	}
}
